Gaffney, J. (1996). Political parties and the European Union. London: Routledge.
Chicago Style aipamenaGaffney, John. Political Parties and the European Union. London: Routledge, 1996.
MLA aipamenaGaffney, John. Political Parties and the European Union. London: Routledge, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.